{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T20:53:32Z","timestamp":1771707212821,"version":"3.50.1"},"reference-count":27,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2014,7,2]],"date-time":"2014-07-02T00:00:00Z","timestamp":1404259200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neuropathology"],"published-print":{"date-parts":[[2014,10]]},"abstract":"<jats:p>Osteoblastoma is a benign bone\u2010forming neoplasm that occurs commonly in the posterior elements of the spine and the sacrum. However, so far there has been no report of intradural osteoblastoma described in the literature. We present a unique case of intraspinal dural\u2010based osteoblastoma with aneurysmal bone cyst\u2010like change without evidence of vertebral involvement. An 11\u2010year\u2010old <jats:styled-content style=\"fixed-case\">C<\/jats:styled-content>hinese girl presented with a 3\u2010month history of gradually progressive back pain and a weakness of both lower limbs. Thoracic <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> revealed a well\u2010demarcated subdural mass at the <jats:styled-content style=\"fixed-case\">T5<\/jats:styled-content> level with heterogeneous enhancement. Histologically, the tumor was found to be attached to the dura and composed of numerous osteoid spicules and trabecular bone with diffusely scattered osteoclast\u2010type, multinucleated giant cells. Ectactic blood vessels and blood\u2010filled cystic spaces were also observed. A diagnosis of primary intraspinal dural\u2010based osteoblastoma with aneurysmal bone cyst\u2010like change was made. To our best knowledge, this is possibly the first case of primary osteoblastoma arising from meninges. Meningeal osteocartilaginous tumors are rare, with obscure histogenesis. The differential diagnosis of osteoblastoma in unusual locations is difficult and the confirmation of diagnosis should be cautiously made. Awareness of dural\u2010based osteoblastoma and its histological features is important to avoid a diagnostic pitfall caused by histological similarities to other intra\u2010craniospinal lesions with osteoid differentiation or bone formation.<\/jats:p>","DOI":"10.1111\/neup.12131","type":"journal-article","created":{"date-parts":[[2014,7,2]],"date-time":"2014-07-02T13:07:35Z","timestamp":1404306455000},"page":"510-515","source":"Crossref","is-referenced-by-count":2,"title":["Intraspinal dural\u2010based primary osteoblastoma with aneurysmal bone cyst\u2010like change"],"prefix":"10.1111","volume":"34","author":[{"given":"Xinge","family":"Fu","sequence":"first","affiliation":[{"name":"Department of Pathology The First Affiliated Hospital Guangzhou Medical University  Guangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juhong","family":"Jiang","sequence":"additional","affiliation":[{"name":"Department of Pathology The First Affiliated Hospital Guangzhou Medical University  Guangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bo\u2010ning","family":"Luo","sequence":"additional","affiliation":[{"name":"Department of Radiology The First Affiliated Hospital, Sun Yat\u2010sen University  Guangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiao\u2010ying","family":"Tian","sequence":"additional","affiliation":[{"name":"School of Chinese Medicine Hong Kong Baptist University  Hong Kong China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhi","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Pathology The First Affiliated Hospital, Sun Yat\u2010sen University  Guangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2014,7,2]]},"reference":[{"key":"e_1_2_5_2_1","first-page":"279","volume-title":"World Health Organization Classification of Tumours of Soft Tissue and 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